There are software tools for just about anything these days. One class of tools lets users like you and me convert a CHM into other formats including, not surprisingly, PDF. Sure, you could grab a copy of most of the BizTalk Server 2006 documentation...

The uber collection of all SDK samples published to the BizTalk Server developer center has gone live here . Make sure you have some megs available on yer hard drive -- about 50 or so -- or you will be unhappy when you unpack 'em.
I caught a couple...